Patents
Patents for G11B 23 - Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus (25,121)
01/1988
01/20/1988EP0252984A1 Magnetic recording/regenerating apparatus
01/20/1988CN87200820U Tape feeding indicator for cassette tape recorder
01/19/1988US4720153 Storage rack for magnetic tape cartridges
01/19/1988US4720055 Tape clamp mechanism for reel hub of tape cassette
01/14/1988WO1988000385A1 Disk cartridge
01/13/1988EP0252662A2 Information recording medium
01/13/1988EP0252226A1 Disk retainer and packaging system for optical disks
01/12/1988US4719529 Magnetic tape cassette incorporating prevention of unwanted rotation during transportation
01/12/1988US4718552 Disk shipper and transfer tray
01/12/1988US4718550 Thermoformed composite cassette album
01/12/1988CA1231444A1 Flexible magnetic disk write protect device
01/12/1988CA1231442A1 Alternately centered disk pack assembly and method
01/07/1988EP0251622A1 Self adjusting endless loop tape cartridge
01/07/1988EP0251344A2 Method of filling cassette with a length of magnetic tape and apparatus for carrying out the method
01/07/1988EP0251210A1 A security system for protecting information
01/05/1988US4717981 Hard disc cartridge arrangement with an automatically activated door
01/05/1988US4717980 Tape cassette with low friction slide member for guiding movement of a lid thereon
01/05/1988US4717977 High capacity Winchester disk drive
01/05/1988US4717976 Apparatus using disc-shaped record bearing medium
01/05/1988US4717973 Recorded information verification system
01/05/1988US4717213 Magnetic tape cassette box
01/05/1988US4717091 Tape cassette, in particular a video tape cassette, and a pressure spring therefor
01/05/1988US4717090 Device for restoring and removing a tape leader block to and from a tape cassette
01/05/1988US4717021 Video cassette container display
01/05/1988US4716745 Video cassette security device
01/05/1988US4716650 Method of assembling magnetic recording disk cartridge
12/1987
12/29/1987US4716560 Recording disc and method for fabricating same
12/29/1987US4716485 Cartridge-shaped cleaning device with a rotable cleaning assembly
12/29/1987US4716481 Recording and/or reproducing apparatus having an imposed head shifting feature
12/29/1987US4716063 Transfer layer is composed of unsaturated cycloacetal compound, mercapto compound, and (meth)acrylic ester
12/29/1987US4715558 Single piece tape reel and assembly
12/23/1987EP0250111A2 Cartridge for an optical disk for recording data on the two faces thereof and the associated reading device
12/23/1987EP0249997A2 Stacking box for compact audio tape cassettes
12/23/1987EP0249784A1 Magnetic tape winding device using magnetic edge alignment
12/23/1987CN87104064A Method of manufacturing tape reel
12/22/1987US4714973 Shutter assembly for use in a disc cartridge
12/22/1987US4714972 Housing for a magnetic disk memory having a disk pack seat at opposite sides of the disk pack
12/22/1987US4714213 Magnetic tape cassette with magnetic tape protective closure and bias means therefor
12/22/1987US4714212 Pneumatic tape tensioning device for a cassette loading machine
12/22/1987US4714161 Security cassette holder
12/22/1987US4713857 Apparatus for use in cleaning the tape of a tape cassette
12/22/1987US4713856 Apparatus for cleaning digital audio discs
12/17/1987WO1987007424A3 Flexible cassette for use with a reel periphery driven transport
12/17/1987DE3619611A1 Container for cassettes, in particular for video cassettes
12/17/1987DE3619563A1 Video cassette with child lock
12/16/1987EP0248908A1 Disk cartridge having shutter and a device for opening and closing the shutter
12/16/1987CN86210184U Preserving box for cassette cabinet
12/15/1987US4713713 Cleaning tape cartridge used in videotape recorders
12/15/1987US4713712 Cassette type cleaning device for the cleaning of playing/recording head, erasing head, and capstan/pinch roller
12/15/1987US4713705 Means and methods for improved transducing of flexible disk packs
12/15/1987US4712678 Container having automatic doors and for accommodating data storage media
12/15/1987CA1230418A1 Spring mechanism for lid of video cassette
12/15/1987CA1230307A1 Conveyor system
12/09/1987EP0248611A2 Packaging medium
12/09/1987EP0248587A2 Cassette presentation case
12/09/1987EP0248454A1 Process for filling with treatment solutions and/or their regeneration
12/09/1987CN87103901A Method of manufacturing tape reel
12/08/1987US4712150 Tape cassette having a lock mechanism for locking a tape protective lid
12/08/1987US4712149 Recording tape cassette
12/08/1987US4712148 Magnetic tape cassette with equalization of electrostatic charges
12/08/1987US4711347 Protective envelope for optical data card
12/08/1987CA1230179A1 Optical disc cartridge
12/03/1987WO1987007424A2 Flexible cassette for use with a reel periphery driven transport
12/03/1987DE3718302A1 Information recording carrier
12/02/1987EP0247876A2 Storage and dispensing means
12/02/1987EP0247872A2 Magnetic head assembly for a flexible magnetic disk drive unit
12/02/1987EP0247822A2 Method of manufacturing tape reel
12/02/1987EP0247821A2 Method of manufacturing tape reel
12/02/1987EP0247252A1 Tape cassette rewinding machine
12/02/1987CN87201092U Cassette with dismountable tape feed
12/01/1987US4710907 Operation prohibition device for an audio instrument
12/01/1987US4710839 Magnetic disc cartridge
12/01/1987US4709873 Device for positioning a tape threader pin in a take-up reel
12/01/1987US4709816 Recording disc cartridge
12/01/1987US4709815 Tape cartridge holding case
12/01/1987US4709812 Compact disc package and a method of making same
12/01/1987US4709437 Compact disc cleaner
12/01/1987CA1229914A1 Tape deck with take-up reel rotation sensor configured to prevent tape windup on the capstan or pinch roller
11/1987
11/26/1987DE3716778A1 Fixed magnetic-disc device
11/26/1987DE3617483A1 Magnetic-disc cassette with integrated magnetic-tape reels for recording and reproducing electromagnetic signals, in particular for EDP installations
11/25/1987EP0246899A1 Optical information recording and reproducing apparatus
11/25/1987EP0246625A2 Method of and apparatus for cleaning magnetic recording disk cartridge
11/24/1987US4709290 Tape cassette, in particular a magnetic tape cassette, and a support liner therefor
11/24/1987US4709288 Adjusting means in particular for guide elements, and magnetic tape cassette possessing such means
11/24/1987US4708285 Floppy disk directory envelope form
11/24/1987US4708246 Shipping package for recording tape pancakes
11/19/1987EP0245507A1 Recording/regenerative apparatus for disc cartridge
11/19/1987EP0245458A1 Disk cassette pressure spring mechanism
11/19/1987EP0245450A1 Storage and security system for cassette-like objects
11/19/1987EP0245429A1 Device for preventing unauthorised use of data carriers
11/19/1987EP0245428A1 Device for prevention of unauthorized use of credit cards and the like data media.
11/19/1987EP0245258A1 Devices for preventing unauthorised use of video-cassettes
11/18/1987CN86204140U Multi-purpose recorder and its cassette recording card
11/17/1987US4707821 Disc holder for a rigid audio and/or video disc
11/17/1987US4707757 Pressing spring for a magnetic tape cartridge
11/17/1987US4707593 Visible image magnetic card
11/17/1987US4707247 Disk cassette storing
11/17/1987US4706813 Cuboid container for articles and hinge and pivot-limiting means therefor
11/12/1987DE3715602A1 Disc drive
11/11/1987EP0244525A1 Disk file with air filtration system